Make A Graph

Dataset Title:	Global Ocean, Wind and Stress, Monthly, From Scatterometer and Model
Institution:	KNMI (Dataset ID: cmems_wind)
Information:	Summary \| License \| FGDC \| ISO 19115 \| Metadata \| Background \| Data Access Form

To work correctly, this web page requires that JavaScript be enabled in your browser. Please:
1) Enable JavaScript in your browser:
      • Chrome: "Settings : Advanced : Privacy and security : Site Settings : JavaScript"
      • Firefox: (it should be always on!)"
      • Opera: "Settings : Websites : JavaScript"
      • Safari: "Safari : Preferences : Security : Enable JavaScript"
2) Reload this web page.

Graph Type:
X Axis:
Y Axis:
Color:

Dimensions

Start

Stop

time (UTC)

specify just 1 value →

latitude (degrees_north)

longitude (degrees_east)

Graph Settings
Color Bar:	Continuity:	Scale:
Minimum:	Maximum:	N Sections:
Draw land mask:
Y Axis Minimum:	Maximum:

(Please be patient. It may take a while to get the data.)

Optional:
Then set the File Type: (File Type information)
and

or view the URL:
(Documentation / Bypass this form

)

Click on the map to specify a new center point.

Zoom:

[The graph you specified. Please be patient.]

Things You Can Do With Your Graphs

Well, you can do anything you want with your graphs, of course. But some things you might not have considered are:

Web page authors can embed a graph of the latest data in a web page using HTML <img> tags.
Anyone can use ERDDAPs Slide Sorter to build a personal web page that displays graphs with the latest data (or other images or HTML content), each in its own, draggable slide.

The Dataset Attribute Structure (.das) for this Dataset

Attributes {
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 7.7436e+8, 1.7317152e+9;
    String axis "T";
    String calendar "gregorian";
    String ioos_category "Time";
    String long_name "validity time: center of the month";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float32 actual_range -89.875, 89.875;
    String axis "Y";
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
    Float32 valid_max 90.0;
    Float32 valid_min -90.0;
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float32 actual_range -179.875, 179.875;
    String axis "X";
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
    Float32 valid_max 180.0;
    Float32 valid_min -180.0;
  }
  eastward_wind {
    Float64 _FillValue -327.67;
    Float64 colorBarMaximum 15.0;
    Float64 colorBarMinimum -15.0;
    String ioos_category "Wind";
    String long_name "stress-equivalent wind eastward component at 10 m";
    Float64 missing_value -327.67;
    String standard_name "eastward_wind";
    String units "m s-1";
    Float64 valid_max 50.0;
    Float64 valid_min -50.0;
  }
  eastward_wind_bias {
    Float64 _FillValue -327.67;
    Float64 colorBarMaximum 0.1;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Statistics";
    String long_name "scatterometer-model bias of stress-equivalent wind eastward component at 10 m";
    Float64 missing_value -327.67;
    String standard_name "eastward_wind_bias";
    String units "m s-1";
    Float64 valid_max 50.0;
    Float64 valid_min -50.0;
  }
  eastward_wind_sdd {
    Float64 _FillValue -327.67;
    Float64 colorBarMaximum 0.1;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Statistics";
    String long_name "standard deviation of differences of stress-equivalent wind eastward component at 10 m";
    Float64 missing_value -327.67;
    String standard_name "eastward_wind_standard_deviation_of_differences";
    String units "m s-1";
    Float64 valid_max 50.0;
    Float64 valid_min 0.0;
  }
  northward_wind {
    Float64 _FillValue -327.67;
    Float64 colorBarMaximum 15.0;
    Float64 colorBarMinimum -15.0;
    String ioos_category "Wind";
    String long_name "stress-equivalent wind northward component at 10 m";
    Float64 missing_value -327.67;
    String standard_name "northward_wind";
    String units "m s-1";
    Float64 valid_max 50.0;
    Float64 valid_min -50.0;
  }
  northward_wind_bias {
    Float64 _FillValue -327.67;
    Float64 colorBarMaximum 0.1;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Statistics";
    String long_name "scatterometer-model bias of stress-equivalent wind northward component at 10 m";
    Float64 missing_value -327.67;
    String standard_name "northward_wind_bias";
    String units "m s-1";
    Float64 valid_max 50.0;
    Float64 valid_min -50.0;
  }
  northward_wind_sdd {
    Float64 _FillValue -327.67;
    Float64 colorBarMaximum 0.1;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Statistics";
    String long_name "standard deviation of differences of stress-equivalent wind northward component at 10 m";
    Float64 missing_value -327.67;
    String standard_name "northward_wind_standard_deviation_of_differences";
    String units "m s-1";
    Float64 valid_max 50.0;
    Float64 valid_min 0.0;
  }
  wind_speed {
    Float64 _FillValue -327.67;
    Float64 colorBarMaximum 15.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Wind";
    String long_name "stress-equivalent wind speed at 10 m";
    Float64 missing_value -327.67;
    String standard_name "wind_speed";
    String units "m s-1";
    Float64 valid_max 50.0;
    Float64 valid_min 0.0;
  }
  wind_speed_bias {
    Float64 _FillValue -327.67;
    Float64 colorBarMaximum 0.1;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Statistics";
    String long_name "scatterometer-model bias of stress-equivalent wind speed at 10 m";
    Float64 missing_value -327.67;
    String standard_name "wind_speed_bias";
    String units "m s-1";
    Float64 valid_max 50.0;
    Float64 valid_min -50.0;
  }
  wind_speed_sdd {
    Float64 _FillValue -327.67;
    Float64 colorBarMaximum 0.1;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Statistics";
    String long_name "standard deviation of differences of stress-equivalent wind speed at 10 m";
    Float64 missing_value -327.67;
    String standard_name "wind_speed_standard_deviation_of_differences";
    String units "m s-1";
    Float64 valid_max 50.0;
    Float64 valid_min 0.0;
  }
  eastward_stress {
    Float64 _FillValue -2.147483647e+7;
    Float64 colorBarMaximum 0.5;
    Float64 colorBarMinimum -0.5;
    String ioos_category "Wind";
    String long_name "surface wind stress eastward component";
    Float64 missing_value -2.147483647e+7;
    String standard_name "surface_downward_eastward_stress";
    String units "N m-2";
    Float64 valid_max 50.0;
    Float64 valid_min -50.0;
  }
  eastward_stress_bias {
    Float64 _FillValue -2.147483647e+7;
    Float64 colorBarMaximum 0.1;
    Float64 colorBarMinimum -0.1;
    String ioos_category "Statistics";
    String long_name "scatterometer-model bias of surface wind stress eastward component";
    Float64 missing_value -2.147483647e+7;
    String standard_name "surface_downward_eastward_stress_bias";
    String units "N m-2";
    Float64 valid_max 50.0;
    Float64 valid_min -50.0;
  }
  eastward_stress_sdd {
    Float64 _FillValue -2.147483647e+7;
    Float64 colorBarMaximum 50.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Statistics";
    String long_name "standard deviation of differences of surface wind stress eastward component";
    Float64 missing_value -2.147483647e+7;
    String standard_name "surface_downward_eastward_stress_standard_deviation_of_differences";
    String units "N m-2";
    Float64 valid_max 50.0;
    Float64 valid_min 0.0;
  }
  northward_stress {
    Float64 _FillValue -2.147483647e+7;
    Float64 colorBarMaximum 0.5;
    Float64 colorBarMinimum -0.5;
    String ioos_category "Wind";
    String long_name "surface wind stress northward component";
    Float64 missing_value -2.147483647e+7;
    String standard_name "surface_downward_northward_stress";
    String units "N m-2";
    Float64 valid_max 50.0;
    Float64 valid_min -50.0;
  }
  northward_stress_bias {
    Float64 _FillValue -2.147483647e+7;
    Float64 colorBarMaximum 0.1;
    Float64 colorBarMinimum -0.1;
    String ioos_category "Statistics";
    String long_name "scatterometer-model bias of surface wind stress northward component";
    Float64 missing_value -2.147483647e+7;
    String standard_name "surface_downward_northward_stress_bias";
    String units "N m-2";
    Float64 valid_max 50.0;
    Float64 valid_min -50.0;
  }
  northward_stress_sdd {
    Float64 _FillValue -2.147483647e+7;
    Float64 colorBarMaximum 50.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Statistics";
    String long_name "standard deviation of differences of surface wind stress northward component";
    Float64 missing_value -2.147483647e+7;
    String standard_name "surface_downward_northward_stress_standard_deviation_of_differences";
    String units "N m-2";
    Float64 valid_max 50.0;
    Float64 valid_min 0.0;
  }
  wind_stress_magnitude {
    Float64 _FillValue -2.147483647e+7;
    Float64 colorBarMaximum 60.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Wind";
    String long_name "surface wind stress magnitude";
    Float64 missing_value -2.147483647e+7;
    String standard_name "magnitude_of_surface_downward_stress";
    String units "N m-2";
    Float64 valid_max 50.0;
    Float64 valid_min 0.0;
  }
  wind_stress_magnitude_bias {
    Float64 _FillValue -2.147483647e+7;
    Float64 colorBarMaximum 0.1;
    Float64 colorBarMinimum -0.1;
    String ioos_category "Statistics";
    String long_name "scatterometer-model bias of surface wind stress magnitude";
    Float64 missing_value -2.147483647e+7;
    String standard_name "magnitude_of_surface_downward_stress_bias";
    String units "N m-2";
    Float64 valid_max 50.0;
    Float64 valid_min -50.0;
  }
  wind_stress_magnitude_sdd {
    Float64 _FillValue -2.147483647e+7;
    Float64 colorBarMaximum 50.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Statistics";
    String long_name "standard deviation of differences of surface wind stress magnitude";
    Float64 missing_value -2.147483647e+7;
    String standard_name "magnitude_of_surface_downward_stress_standard_deviation_of_differences";
    String units "N m-2";
    Float64 valid_max 50.0;
    Float64 valid_min 0.0;
  }
  number_of_observations {
    Int16 _FillValue -32767;
    Float64 colorBarMaximum 100.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Statistics";
    String long_name "number of observations used for monthly average";
    Int16 missing_value -32767;
    String standard_name "number_of_observations";
    String units "1";
    Int16 valid_max 2000;
    Int16 valid_min 0;
  }
  NC_GLOBAL {
    String cdm_data_type "Grid";
    String Conventions "CF-1.10, ACDD-1.3, COARDS";
    String creator_name "KNMI";
    String creator_type "institution";
    String date_created "2025-03-11T09:37:56Z";
    String date_modified "2025-03-11T09:37:56Z";
    Float64 Easternmost_Easting 179.875;
    Float64 geospatial_lat_max 89.875;
    Float64 geospatial_lat_min -89.875;
    Float64 geospatial_lat_resolution 0.25;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max 179.875;
    Float64 geospatial_lon_min -179.875;
    Float64 geospatial_lon_resolution 0.25;
    String geospatial_lon_units "degrees_east";
    String history 
"2025-04-25T19:37:44Z (local files)
2025-04-25T19:37:44Z https://erddap.marine.usf.edu/griddap/cmems_wind.das";
    String infoUrl "???";
    String institution "KNMI";
    String instrument "ASCAT, ASCAT";
    String instrument_vocabulary "CEOS";
    String keywords "atmosphere, atmospheric, average, bias, centre, component, data, deviation, differences, downward, earth, Earth Science > Atmosphere > Atmospheric Winds > Surface Winds, Earth Science > Atmosphere > Atmospheric Winds > Wind Stress, eastward, eastward_stress, eastward_stress_bias, eastward_stress_sdd, eastward_wind, eastward_wind_bias, eastward_wind_sdd, eastward_wind_standard_deviation_of_differences, ecmwf, equivalent, european, forecasts, global, knmi, magnitude, magnitude_of_surface_downward_stress, magnitude_of_surface_downward_stress_bias, magnitude_of_surface_downward_stress_standard_deviation_of_differences, medium, medium-range, model, month, monthly, northward, northward_stress, northward_stress_bias, northward_stress_sdd, northward_wind, northward_wind_bias, northward_wind_sdd, northward_wind_standard_deviation_of_differences, number, number_of_observations, observations, ocean, ocean winds, range, scatterometer, scatterometer-model, science, speed, standard, statistics, stress, stress-equivalent, surface, surface_downward_eastward_stress, surface_downward_eastward_stress_bias, surface_downward_eastward_stress_standard_deviation_of_differences, surface_downward_northward_stress, surface_downward_northward_stress_bias, surface_downward_northward_stress_standard_deviation_of_differences, time, used, weather, wind, wind stress, wind_speed, wind_speed_bias, wind_speed_sdd, wind_speed_standard_deviation_of_differences, wind_stress_magnitude, wind_stress_magnitude_bias, wind_stress_magnitude_sdd, winds";
    String keywords_vocabulary "GCMD Science Keywords";
    String license 
"The data may be used and redistributed for free but is not intended
for legal use, since it may contain inaccuracies. Neither the data
Contributor, ERD, NOAA, nor the United States Government, nor any
of their employees or contractors, makes any warranty, express or
implied, including warranties of merchantability and fitness for a
particular purpose, or assumes any legal liability for the accuracy,
completeness, or usefulness, of this information.";
    Float64 Northernmost_Northing 89.875;
    String platform "METOP-B, METOP-C";
    String platform_vocabulary "CEOS";
    String processing_level "L4";
    String project "Copernicus Marine Service Wind Thematic Assembly Centre";
    String references "Copernicus Marine Service Product User Manual CMEMS-WIND-PUM-012-003";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing -89.875;
    String standard_name_vocabulary "CF Standard Name Table v70";
    String summary "Global Ocean - Wind and Stress - Monthly - From Scatterometer and Model. Global ocean monthly mean 10-m stress-equivalent wind and surface wind stress fields based on the European Centre for Medium-Range Weather Forecasts (ECMWF) ERA5 Reanalysis winds, bias-corrected using scatterometer observations";
    String time_coverage_end "2024-11-16T00:00:00Z";
    String time_coverage_start "1994-07-16T12:00:00Z";
    String title "Global Ocean, Wind and Stress, Monthly, From Scatterometer and Model";
    Float64 Westernmost_Easting -179.875;
  }
}

Using griddap to Request Data and Graphs from Gridded Datasets

griddap lets you request a data subset, graph, or map from a gridded dataset (for example, sea surface temperature data from a satellite), via a specially formed URL. griddap uses the OPeNDAP (external link)

Data Access Protocol (DAP) (external link)

and its projection constraints (external link)

The URL specifies what you want: the dataset, a description of the graph or the subset of the data, and the file type for the response.

(easy) You can get data by using the dataset's Data Access Form. It makes the URL for you.
(easy) You can make a graph or map by using the dataset's Make A Graph form. It makes the URL for you.
(not hard) You can bypass the forms and get the data or make a graph or map by generating the URL by hand or with a computer program or script.

griddap request URLs must be in the form
https://coastwatch.pfeg.noaa.gov/erddap/griddap/datasetID.fileType{?query}
For example,
https://coastwatch.pfeg.noaa.gov/erddap/griddap/jplMURSST41.htmlTable?analysed_sst[(2002-06-01T09:00:00Z)][(-89.99):1000:(89.99)][(-179.99):1000:(180.0)]
Thus, the query is often a data variable name (e.g., analysed_sst), followed by [(start):stride:(stop)] (or a shorter variation of that) for each of the variable's dimensions (for example, [time][latitude][longitude]).

For details, see the griddap Documentation.